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News
AI Video Reveals A New Picture Of Black Hole Jets And Challenges Shock Wave Theory
1+ day, 11+ hour ago (635+ words) A new AI-powered reconstruction method has transformed radio observations into a continuous video, revealing unexpected motion inside a distant black hole jet. For decades, astronomers have relied on Very Long Baseline Interferometry (VLBI) to study the enormous jets launched by…...
One black hole is stirring gas across 300,000 light-years
2+ week, 4+ day ago (943+ words) Black hole winds from one quasar churn hot gas across 300,000 light-years, carrying the energy of billions of exploding stars. Black holes are famous for pulling matter in. However, the winds they launch while feeding were long thought to stay inside…...
Hypothetical 'dark stars' could explain gravitational-wave hum, study finds
2+ week, 5+ day ago (474+ words) Scientists made the first direct detection of gravitational waves in 2015. That high-frequency burst came from colliding stellar-mass black holes. That signal matched what Einstein’s general relativity had predicted decades earlier. Since then, researchers have turned to a different technique to…...
What happens when a galaxy's supermassive black hole turns off?
3+ week, 18+ hour ago (14+ words) Coast to Coast AM...
Mysterious Gravitational Waves May Be Echoes of Ancient Dark Stars
3+ week, 1+ day ago (167+ words) ...
Dr. Universe explains how wind moves
3+ week, 2+ day ago (170+ words) Washington State University’s resident feline scientist, Dr. Universe, answers a breezy question from Elijah, 10, of North Carolina: How does the wind move? With help from WSU atmospheric scientist Jun Meng, Dr. Universe explains that wind is air moving from areas…...
Dark matter could magnify the jets of a ravenously feeding supermassive black hole
3+ week, 3+ day ago (649+ words) Stargazing tips, cosmic events and expert insights on the universe Never Miss a Discovery "We are very happy to have discovered as-yet-undetected phenomena in the jet." Astronomers have discovered that a jet of plasma erupting from a distant supermassive black…...
Dying radio galaxies reveal a shorter, more dynamic afterlife of black hole jets
3+ week, 4+ day ago (237+ words) UCT-led research using MeerKAT, uGMRT and other major radio telescopes uncovers a previously unexplored population of rapidly fading remnant radio galaxies, offering new insights into the life cycles of active galaxies. Credit: Sushant Dutta et al.; University of Cape Town…...
Even Near a Supermassive Black Hole, Stars Enrich the Interstellar Medium
3+ week, 4+ day ago (281+ words) To their surprise, they found that alumina and amorphous silicates are present in the dust. They also found water, another surprise. "For the first time, we find clear signs of water in the envelope of IRS 3," they write. “Galactic centres…...
Gas around a black hole outshines its entire galaxy
4+ week, 1+ day ago (687+ words) Webb reveals M77’s brilliant core, where hot gas swirling around a supermassive black hole shines brighter than the rest of the galaxy combined. Today’s Image of the Day from the European Space Agency shows a galaxy whose center is shining…...